Ключевые слова: accessory, anonymity, anonymous, blocking, camouflage, conceal, concealment, confidential, confidentiality, cover, defense, disguise, emotion, expression, eyewear, face, glasses, guarding, hands, hide, hiding, identity, insecurity, male, man, obscured, obscured features, obscured vision, person, privacy, private, protection, safeguard, secretive, secretive behavior, secure, shield, shielding, veiling,